ES2045168T3 - Procedimiento de fabricacion de una pelicula retractable. - Google Patents
Procedimiento de fabricacion de una pelicula retractable.Info
- Publication number
- ES2045168T3 ES2045168T3 ES88403007T ES88403007T ES2045168T3 ES 2045168 T3 ES2045168 T3 ES 2045168T3 ES 88403007 T ES88403007 T ES 88403007T ES 88403007 T ES88403007 T ES 88403007T ES 2045168 T3 ES2045168 T3 ES 2045168T3
- Authority
- ES
- Spain
- Prior art keywords
- film
- temperature
- manufacturing procedure
- initial dimension
- copolymer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- 238000002844 melting Methods 0.000 abstract 2
- 230000008018 melting Effects 0.000 abstract 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 abstract 1
- 239000005977 Ethylene Substances 0.000 abstract 1
- 238000005266 casting Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 229920001577 copolymer Polymers 0.000 abstract 1
- 229920005684 linear copolymer Polymers 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 238000010791 quenching Methods 0.000 abstract 1
- 230000000171 quenching effect Effects 0.000 abstract 1
- 238000003303 reheating Methods 0.000 abstract 1
- 229920001169 thermoplastic Polymers 0.000 abstract 1
- 239000004416 thermosoftening plastic Substances 0.000 abstract 1
- 239000004711 α-olefin Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
- B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
- B29C55/14—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively
- B29C55/143—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively firstly parallel to the direction of feed and then transversely thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0049—Heat shrinkable
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/08—Copolymers of ethene
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Laminated Bodies (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
EL PROCEDIMIENTO DE FABRICACION DE UNA PELICULA TERMOPLASTICA, QUE SE CONTRAE POR EL CALOR, CONSISTE EN CALENTAR POR ENCIMA DE SU TEMPERATURA DE FUSION Y EXTRUIR A TRAVES DE UNA HILERA PLANA UN COPOLIMERO LINEAL DE ETILENO CON UN COMONOMERO DE (ALFA)-OLEFINA C4-C8, DE DENSIDAD COMPRENDIDA ENTRE 0,9 Y 0,94, Y CUYO INDICE DE FLUIDEZ EN ESTADO FUNDIDO ESTA COMPRENDIDO ENTRE 1 Y 7 G/10 MN, PASAR DICHO COPOLIMERO SOBRE UN TAMBOR ENFRIADO A UNA TEMPERATURA DE TEMPLE ELEGIDA EN FUNCION DEL ESPESOR DE LA PELICULA A OBTENER, EN RECALENTARLO HASTA UNA PRIMERA TEMPERATURA, EN ESTIRARLO HASTA POR LO MENOS 3 VECES LA DIMENSION INICIAL DE LA PELICULA NO ESTIRADA, EN CALENTARLO A UNA SEGUNDA TEMPERATURA, SUPERIOR A LA PRIMERA PERO INFERIOR A SU TEMPERATURA DE FUSION, EN ESTIRARLO EN EL SENTIDO PERPENDICULAR, CON AYUDA DE PINZAS, HASTA POR LO MENOS 5 VECES SU DIMENSION INICIAL, Y FINALMENTE ENFRIAR LA PELICULA OBTENIDA A LA TEMPERATURA AMBIENTE. ESTA PELICULA ES SUSCEPTIBLE DE SER APLICADA EN EL CAMPO DELEMBALAJE.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8716545A FR2623744B1 (fr) | 1987-11-30 | 1987-11-30 | Procede de fabrication d'une pellicule thermoplastique thermore tractable par etirages successifs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2045168T3 true ES2045168T3 (es) | 1994-01-16 |
Family
ID=9357286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES88403007T Expired - Lifetime ES2045168T3 (es) | 1987-11-30 | 1988-11-30 | Procedimiento de fabricacion de una pelicula retractable. |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0319401B1 (es) |
| AT (1) | ATE95754T1 (es) |
| DE (1) | DE3884918T2 (es) |
| ES (1) | ES2045168T3 (es) |
| FR (1) | FR2623744B1 (es) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3917652A1 (de) * | 1989-05-31 | 1990-12-06 | Hoechst Ag | Mehrschichtige transparente polyolefinfolie fuer die schrumpfetikettieranwendung |
| US5298202A (en) * | 1989-07-28 | 1994-03-29 | W. R. Grace & Co.-Conn. | Double bubble process for making strong, thin film |
| CA2048296C (en) * | 1990-08-13 | 2002-09-24 | Henry G. Schirmer | Blends of polypropylene and ethylene copolymer and films made from the blend |
| FR2684039A1 (fr) * | 1991-11-25 | 1993-05-28 | Bp Chemicals Snc | Procede de fabrication d'un film thermiquement retractable. |
| IT1266781B1 (it) * | 1993-11-08 | 1997-01-21 | Grace W R & Co | Pellicole multistrato orientate biassialmente e termoretraibili, procedimento per produrle e loro uso per confezionare prodotti |
| FR2727050A1 (fr) * | 1994-11-21 | 1996-05-24 | Bollore Technologies | Procede de preparation d'un film ultramince thermoretractable bi-oriente et film ultramince notamment obtenu par ledit procede |
| US9005501B2 (en) | 2011-08-17 | 2015-04-14 | Reifenhaeuser Gmbh & Co. Kg Maschinenfabrik | Method and apparatus for producing a film web from thermoplastic material and film produced thereby |
| US20130206329A1 (en) * | 2011-12-21 | 2013-08-15 | Nike, Inc. | Golf Ball With Thin Biaxial Film Outer Layer |
| DE102015006891A1 (de) | 2015-06-03 | 2016-09-01 | Reifenhäuser GmbH & Co. KG Maschinenfabrik | Anlage zum Herstellen einer Folienbahn sowie Verfahren zum Betreiben einer solchen Anlage |
| DE102019126219B3 (de) * | 2019-09-27 | 2021-03-11 | Reifenhäuser GmbH & Co. KG Maschinenfabrik | Verfahren zum Betreiben einer Anlage zum Herstellen einer Folienbahn und Anlage zur Durchführung dieses Verfahrens |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT619656A (es) * | 1958-11-05 | |||
| GB1035887A (en) * | 1964-04-15 | 1966-07-13 | Du Pont | Improvements relating to films |
| US4597920A (en) * | 1981-04-23 | 1986-07-01 | E. I. Du Pont De Nemours And Company | Shrink films of ethylene/α-olefin copolymers |
| JPS57176127A (en) * | 1981-04-24 | 1982-10-29 | Showa Denko Kk | Preparation of stretched tape |
| JPS6147234A (ja) * | 1984-08-13 | 1986-03-07 | Mitsubishi Plastics Ind Ltd | 熱収縮性ポリプロピレン系フイルムの製造方法 |
| NL8502191A (nl) * | 1985-08-06 | 1987-03-02 | Stamicarbon | Werkwijze voor het vervaardigen van vlakfolie. |
| JPH0613192B2 (ja) * | 1986-03-03 | 1994-02-23 | 株式会社興人 | 熱収縮性フィルム |
-
1987
- 1987-11-30 FR FR8716545A patent/FR2623744B1/fr not_active Expired - Lifetime
-
1988
- 1988-11-30 EP EP88403007A patent/EP0319401B1/fr not_active Expired - Lifetime
- 1988-11-30 AT AT88403007T patent/ATE95754T1/de not_active IP Right Cessation
- 1988-11-30 ES ES88403007T patent/ES2045168T3/es not_active Expired - Lifetime
- 1988-11-30 DE DE88403007T patent/DE3884918T2/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| FR2623744B1 (fr) | 1990-02-02 |
| EP0319401B1 (fr) | 1993-10-13 |
| EP0319401A3 (fr) | 1991-09-25 |
| EP0319401A2 (fr) | 1989-06-07 |
| DE3884918T2 (de) | 1994-02-17 |
| DE3884918D1 (de) | 1993-11-18 |
| ATE95754T1 (de) | 1993-10-15 |
| FR2623744A1 (fr) | 1989-06-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
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